Brother Db2-b757-3 Manual
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G. Thread Trimmer and Tension Releaser (-100, -200, -400, -500)
6
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17~10-2
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28~ ~26
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35
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37 38
R ef. N mnc of Parts Qty Parts No. Assembly No. l{ef. Name of Parts Qty Part s No. Assembly No. No. No. c;.-( ---------G-23 S
pring Screw I 1027 16 ·11·0 3 I 14 5 6 21- 0-0 1 ~ Thre.ul Release Lever 1 148327-0-0 1 G
-24 Stud I 14562 0·0-01 ~ Thread Release Stud I 1 4 833 9-0 -0 1 G-25 Sto p Ring I 048 030 ·3· 42
- G- 4 Thread Release Link I 147 106 -U-01 G -26 S to pper Gu ide I 14 5618-0 -0 1
CJt~ Screw I 12112 6 3-0 -0 1 G-27 Screw 2 14 5619- 0-0 1
-:solenoid Holder I 147110-1-01 G -28 Stopper I 1 4 5617 -0 -0 1
G -7 Screw 2 CXl9681-0-13 G-29 Screw I 00 9660 -7-12 ~ Solenmd Cover --I 1 4 8451-0-01 G-30 Screw I 00 96 79 -3 -12 G -9 Screw 2 G-31 Oil Stopper Plate I 145623- 0-0 1
G -10 -1
Rotar} Solenoid I ~
G -10 G-32 M m·able Knife I T cn si(m G -33 -S crew 2 141542- 0-0 1 --R ele ase G -34 Spacer I G-10-2
Ternunal Pin 2 14:l54!l-O-OO s,,Jeru•id --Assembly G -35 Lower Thread Finger 1 145 610 -1-01 ~ Vinyl Tube I 12 182 :l-0-0 l
G.:l6 Movable Kni fe Holder 1 145601-0-01 G -1 2 Screw 2 009 670-6-12 Assembly G -13 Suppc1rtcr 2 G
-37 Holder Plate I 14 5933 -0-01 G -14 Cun ncdnr C ap I G-38 Screw 2 00 9680 -6-12 G-15 N yl on C onncL:I11r I G- 39 Thread Tnmming Clutch I 14 97 09-0 -0 1 G -1 6 Cord H older 2 145595 -0 -0 1 G-4 0 Washer 3 147697- 0-01 G-17 Screw 2 009680·6-12 G -4 1 Screw 3 014680 -6-22 G-18-1 Plunger I
---
G-18 G-42 Washer I 0 2568 0·1 -33 - G -18-2
Sol eno id Coil I
--
Thread
G-43 Movable Knife Cover I 147946 -0 -0 1 r rintm in g G -44 Rotary Solenoid I G -1 8-:l T cnnin a l Pin 2 14:l54!l-O-OO Sc•lc m •id Assemb ly - G-45 Thread Trimmer Solenoid I G-19 Bushing I 14608 0-0-00 G-46 Tube Holder 2 G-2 0 Screw 2 00 968 0-7 . 12 G -47 Cord Holder 2
•
G-2 1 P in I 04 7300 -8 -42 G -48 Cord Holder I G-22 Washe r I 025040 -3 -35 G -49 Cord H older I
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7 -
From the library of: Superior Sewing Machine & Supply LLC
H. Synchronizer (-100, -200, -400, -500) 2-1 2-2 2-J 2-4 . 11 ,_, ,_,. ,_, L? 2-18 2-112-16 2-12 2-11 ~ Ref. Name of Parts Qty Parts No. Assembly No Ref. Name of Pnr ts Qty !arts No. Assembly No. No. No. H-1 Screw 2 009781-4-12 H-2-12 Synchroruzer Co,·er I 218941-0-01 H-2· 1 Magne t Stud I --- H-2-13 Screw 1 216880-0-01 H-2 -2 Screw 1 215083-0-01 H-2-14 Spring Washer 1 028060-2-43 11-2 H -2 -3 Washer 1 025030-3-:15 1-1-2-15 Washer I 025060 3-35 S}'nchroni:r.~r H -2· 4 Bearing 1 ----- H-2-16 Screw 2 215080 -0-01 Assembly H-2- 5 Hole IC Holder 1 --- lJ . 2 H-2-17 Washer 2 025040 ·1·35 H-2-6 Washer 3 025040- 3-35 Synchronizer H-2-18 Hole IC with Cord 1 218953 -0-01 H-2-7 Screw 3 217093-0-0 1 Assembly H-3 Synchronizer Holder Bar 1 H-2-8 Cord II older I -- H-4 Screw 2 009711-4-12 1-1-2-9 Screw 2 215080 -0 -01 H -5 Holder 1 H-2-10 Washer 2 025040 -1 -35 H-6 I Slip Ri1_1g Support 1 11-2-11 L abel 1 --- - 8- From the library of: Superior Sewing Machine & Supply LLC
J. Thread Wiper and Reverse Switch Mechanism (-200, -400, -500) \\·_ \~ ,... ...J I I I I I I I I I I I ~@? R 21-1 28--u ~9 31 Ref. Name of Parts Qty Parts No. .\sscmbly No. Ref. Name of Parts No . No. )- I Bu shin g I 1460 80-0-00 J-2 0 Thread W iper S tu d J- 2 Thread Wiper Sol enoid I 1460 82-0-00 J -2 1 T hread Wiper Stud Collar J- 3 Screw 2 00 968 0-8 ·12 1 -22 S cre w (\1-4 S ol enoid Set ll atc I 1 4 60 81-0-0 1 1-23 T hread W iper _,/)-5 Cord I J-24 Screw J- 6 Scre w I 009671·0 -1 3 J -25 Actuator Pin 1-7 S ol enoid Link I 146086-0 ·01 J-26 Stop Ring )- 8 W ir e L ink I 146087-0 -01 J-27 -1 Micro S w itch J - 9 Stop Rin g 2 048025-3 -42 J -27-2 C ord J-10 Thread W iper Crank I 1460 88-0-0 1 J-27 -3 Terminal Pin )-II S pring I 1460 89-0-0 1 J-28 Screw 1-12 B ush in g I 14 60 79-0-0 1 J-29 Bushing 1-1 3 T hread W ip e r Lc\ cr I 14 6 09 0-0-0 1 )-30-1 Actuator Bar 1-14 Screw 2 102716- 0-02 1-15 Groov e d Link I 146 091-0-0 1 j-30-2 Actu a to r j-1 6 Scre w I 111443 -0 -0 1 1 -1 7 Wash e r I 10270 7·0 -0 2 J-31 Cord J -18 T hre a d W iper Sup porte r I 146093-0 -0 1 J-32 S w itch J -1 9 Scre w I 00 968 1-4-14 *Parts }-1-1-23 are for ·200 --400 and -500 type specification, and Parts 1-24-J -30 are for -400 and -500 one. - 9- Qty I I I I I I 2 I I 2 2 I I I I I 30- 1 ----30-2 Parts No. A ssembly No. 146092-0-01 146288 -0 -0 1 00 16 70-5-14 146094· 0-01 009681-4 -14 146125 -0-01 048080-3 -42 140643 -0 -00 1 -2 7 146122- 0-00 1 4 3549 -0 -00 S witch 146124 -0 -0 1 146080 -0 -00 148 461 ·0-01 j -3 0 A ctuator 1 4 6128-0-00 Assemb ly 1484 60-0 -0 1 From the library of: Superior Sewing Machine & Supply LLC
K. Reverse Mechanism (-400, -500)
w 6 1
Ref.
N arne of Parts No. K-1
Screw K-2 Solenoid Cover K-3 Stop Rin g K-4 P in K-5-1 Stop R in g K· 5·2 Rubber Stopper K-5·3 Plunger K-5·4 Solenoid K· 5-5 Terminal P in
K· 6 6P Connector K- 7 Connector Cap K-8 Screw K· 9 Screw K-10 Washer K-11 Washer K-12
Collar K-13 Nut K-14 Solenoid L eve r
K -15 Bolt
5-2 5 -I
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r _.,.-=
l ~ : ~/!
0 r0 l
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--c--·
----24
;;'~ ,cr::::»-2 3
Qty Parts No. Assembly No.
I 007501-2-02
1 148465-0-00
2
048040-3-42 I 147754-0-01 I 146103-0-01 K·5 1 146104-0-00 }{cvcrse 1
---1
---
Solenoid
2 143549-0-00 Assembly
1 I 3 007500·8-12 2 009761-4-12
2 0 28060-2-42 2 141343·0-02 2 148456 -0-01 2 150553-0-01 1 148453-0-01 2 146360·0·02
Ref. No. K-16
K-17 K-18
K-19
K-20 K-21 K-22
K-23
K-24 K-25
K-26
K-27 K-28
K-29
K-30 K-31 K-32
K-33
'·~
r~.
N arne of Parts
Bushing Screw S olenoid Lever Bracket Reverse Link Connecting Link Stop Ring Washer !in Screw Screw Cover Cylinder Supporter Shaft Stop Ring Cylider Holder Reverse Cylinder Screw Piston Rod Connector Leverse Solenoid
*Parts K-1-K-24 are for ·400 type specification, and Parts K-8-K-32 are for :soo one.
-10-
19
Qty
I 2
1
I
I
I I
I
I
2 I
I
2 I
I
I
I
I
12 11 10 9
®@~4
. ~ ~
~~ 22 21
Parts No. Assembly No.
141331-0-01
141494-0-01
148454-0-01
148455-0-01
( ) 148467-0-01
048040-3-42 146115-0-00
146114-0-01
013679·4·12
009670·5-13 146156-0-01
146148·0-01
048040·3-42 148853-0-01
146149·0·01
141598·0·01
148854-0-01
c
From the library of: Superior Sewing Machine & Supply LLC
L. Control Box Mechanism (-500) Ref. No. L ·l · I L -1 · 2 L -1 · 3 L ·l · 4 c \.·1· 5·1 1..-1 · 5·2 L -1 · 5·3 L - 1· 5·4 L -1 · 5·5 L -1 · 6 L -1 · 7 L -1 - 8 L-1 · 9 L-1·10 L -1 ·1 I L -1 ·12 L -1 -13 L -1 -14 L -1 -15 ___ , j H•> H••ij ' - -~ ~·~0 ~? 1-11·& 1-11·5 ,., .. ~ ~ L ~1-22-2 (!r-1-23 @--1-u ®--1-24 dlr-1-20 Namt! of Parts Qty Parts No. Assembly No. R ef. Name of Parts No. Rear Cover I -- L-1-16 Name !la te S cre w 4 00 8400- 5-64 L ·l-17 Riv et Nylon Bush in g I 1 46171 ·0 -00 L-1 -18 ·1 Si le nc er Air Tube I I 40540-0-00 L-1 -1 8 ·2 Y. Elbow Presse r G auge I --L -1-5 L-1-18 ·3 S olenoid Va lve Y. Connector Assembly I 142349- 0-00 A ir Filt er L -1 -18 ·4 Y. C ap V alv e I I 4396 0-I -01 L -1-18 ·5 Va lv e Connector A ir Unit Holder !la te I ---- Unit L-1-18 ·6 Y. Co nnector A ir Tube Conne c tor I I 4 067 8-0 -00 1439 59-1-03 L-1-18 ·7 Speed Contro l Connector Screw 2 00 25 01-0-64 L -I -18·8 Speed Contr oller Air Control B ox 1 -- L -1 -19 Washer W asher 2 028 050 -2 -43 L-1-2 0 Screw Nut 2 0 2 1500-1-6 3 L-1 L-1-21 C onnector Nul I 0213 00-1-0 3 Air Control L-1-22 Valve Cord W asher I 028030-2-43 Box Assembly L -1 -23 Nut Cord H old er I 149547-0-00 1495:!9-0-01 L-1 -24 Washer Washer I 0250 3 0 -1-33 L-3 Screw Scr e w I 0023 01-0-0 3 L-4 R ubber Cu sh io n Front Cover I -- -11- .,~ 1-13 1-14 Qty Parts No. Assembly No. I --I ----2 140682- 0-01 1 140538-0 -00 I 149544·0 ·0 1 L-1-18 I I 40542 ·0 ·0 I S olenoid Valve I 140539 -0 -00 Asse mbly 2 140543 -0 -0 0 1 49 543 -0-01 I I 42037 -0 -00 I 142038 -0 -01 4 0 28040 -2 -43 4 002401 · 2 -03 L-1 4 2 06 755-0-00 Air Control I 149545 -0 -01 Box A semblr 4 021400 -I -03 149539-0-01 4 025040 -I -33 2 031483 -2 -0 3 2 1 15018 -0 -01 From the library of: Superior Sewing Machine & Supply LLC
M. Presser Lifter Mechanism (-500)
-· 0 =
·i I :
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13-4
13-5
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Gtl ~----~
~~
14~ 0 u
16~,e.. 17~
J{ef. Name of Parts Qty Parts No. Assembly No. Ref. No.
No.
M· I Washer 2 028060·2·40 M-12
M · 2 Screw 2 147141·0·01
M-13·1
M · 3 Presser Foot C}•lindcr 1 146157 ·0 ·01 M-13-2
M · 4 Stop Ring 2 048040·3·42
M-13·3
M · 5 Piston Rod Joint I 140627·0·01
M-13·4 M· 6 Bolt 1 017762 ·0·13 M
-13-5
M · 7 Pi ston Drive Link I 140668 ·0·01
M-13·6 M· 8 K
nee Lifter Joint I 146039·0 ·01 M-14 M· 9 Bolt 1 100463·0·01
M-15
M·IO Pin I 146986·0·01 M-16 M·ll Spring 2 146985·0·01 M-17 ~1-18
-1
2 -
fi7·.# ===··-~' /
N arne of Parts Qty
A•r Tube I Nylon Connector 1 Connector Cap 1 Terminal Im 2 Presser Foot L1fter Cord 1 Micro Switch 1 Cover 1 Screw 2 Washer 2 Washer 2 Nut 2 Bead Band I
Parts No. Assembly No.
149548·0·01
143488·0·01
M- 1:~ 143489 ·0·01 Presser Foot 143549·0·00 Lifter Cord
146161·0·00 As.,cmbly 140948·0·01
146160·0 ·01 140950·0 ·00
002303·0·06
025030·2·33
028030·2·43
021300 ·1·03
1·1·111!9·0 ·01
c
From the library of: Superior Sewing Machine & Supply LLC
0 c a Z. Accessories Rd. Name of Part s embly 2-1 0· 2 Screw 2·10· :l Was h e r Z - IO· 4 Bobbin W inder Wheel Shaft B ushing Z-10 · 5 Bobbin W incl~" 21 21 21 II 14• 14 30~ Parts No. Assembl y No. l~ef. NanH! of Parts No. II04:lfi -O -OI 7.-11! Oil Tank 14 2·1 ·1 :l-O -OI 7.-19 Oiler I I H l\.1 7 .o .o I 7.- 2 0 -I Bell Cover IJ Jm:.n-1 -0I 7.-20 · 2 Screw I!KIAA7·0 ·0l Z-20 · :l Washer 2-20· 4 Screw 146 29 0 ·0 ·0 I 2·20· 5 Washer -2 -2 0 -ti Bell Cover UA IOOiil\6-0-0 2 2-20-7 Stud ~ 2 -2 0 · I! Stud 2 ·2 1 Needle !late IOO:l66 ·0 ·0 2 Z-22 Screw -- -- 2 ·2:l Head Cover ~ 7.- 2 4 · I Cap 2-24 · 2 Boll --1179711-0 -01 2 ·2 4 · 3 Wahu ---I!KJ657 ·0 ·0 I 2·2 4 · 4 1 hread II tger A 277 -I·O :l 11448:J.O. ()l ~02 0 2575 0·1-:!2 2:w 00968 0 -8 -12 028fi~ Belt Cover ~ Assembly 147 856-0-0 I 1 47 85S- 0-0l 144 222 .o.m --017 50 2 ·8 -0 3 0 25 050 -2 -33 1 50192-0 -0 1 15l ll72 -0 -0 I 151Jlci3:o:ol ---·.-::--1 Z -2 4 ·6 150 20 2 -0 -0 I J oint Assembly 021500 -1 -0 3 151ll06-0 -0l I 150 17 9·0·0 1 7.-24 147 060 -0 -n l 1 50 182 ·0 ·0 0 Cotton 150 180 -0 -0 0 Sta nd 028050 -2 -4 3 Asse mbly 0 2 1500 -1 -0 3 1 5 0 177 -0 -0 1 0 17502 -8 ·0 3 025050 2 33 150lll9·0·01 Z -24-1 6 Cotton S tand Base 1501Rl·O·OI Assembly 15013 9 -0 -01 031452 2 03 141542 -0 -0 1 0 09680 ·6 · 13 0 25680 -2 - 34 145946 ·0 ·0 I 14594 5-0 -01 14 5 990 -0 -0 I 146049 -0 -0 1 * Anderungen in der Aufstellung der mitgelieferten Zubehore sind vorbehalten. * Les details des accessoires inclus sont sujets a des changements. *Los detalles de los accesorios incluidos pueden variar. -13- From the library of: Superior Sewing Machine & Supply LLC
DIFFERENT PARTS LIST -3 ~' :l Ref. c . No . Gtrmany , Enl(land, I I I I I I _ Nam Fra11ct! Franc•: s,min Tiwan Ir a q Spain A · 2 O il Ca p 11271l2·!l·OI ( A· •I F ace Platt! 111·155·0 ·01 A · li Screw I OH\Kill·!l·02 A· 7 Face llale Thread Guid e 11147G·O ·Ill A · H Oil Stoppe r Plate Asse mbly IHII>li·O ·OI l ll!lli:I\Hl·OI 11!1641·0 ·01 A ·2 0 l rctcn sitm Assembly I 4·1 502·0 ·01 A ·l l l~ear Cover IIH67:HI·O I A ·:l 2 Tcr1s itm l~c~ulalt)f Asscn1bly IHI•I7:J.O·OI A.:l 2 ·2 Ten sion Spring 10·1 5 25·0 ·01 A.:l2 ·1i Thread T :tkc -up Spriu~ 100:!!19·0 ·01 A.:I:l Ten sion l~clcasc Pin I ·16065·0 ·00 A
~ Sub Cl: :I Ref. ~~ No. [),.,( (;t•nnany, En~la~1~1 a:_l I I I I I I I Nanll o( l:trts llllto11 lriHI Spai n ·~ Franc•• Franct· · Jlaln aw.m ( )24 Wa~ber 112>:l!ill I :1.1 --- E-25 Fin~cr Guard 1 5!J:lH•I II 01 -F -25 Oil lan As~•·mbly IHI-1211 2 01 ----F-25-1 011 lan I Wl!olllllllll F-25-3 Knee L1Ctcr Shall l·16!J:I6- l -Ol F -25-8 Spring 1·1611:18 0 01 --G- 9 Screw ----r-TciiMtUl l~clc;1~c S111cnc••d 1--= -G-10 Ass•·mhl) • ~-r----G-13 Supportcl ---------G·l•l ContH..Ctor Cap --------...::. -- G -15 Nyhn1 Cc1nncctcu ---------}·Ill Thrcml Trimming Solenoid -A~!«·mbly -------G-:12 Mn\ahle 1 ifc --G-:14 Spacer --------- G-44 Rolar) Solenoid ------- I -------- G-45 Thrcncl Trimming Sc•lc1U1id ---------·-------G-46 Tube llolder ---f--. -----G-47 Cord llolder ---- [ }-48 Cord llnlder ----- -G-49 Cord Holder ------~· H-2 Synchronizer A~sembly H- 3 S; nchronizer II older Bar -===--H-5 Holder r---H- 6 Shp Rn111 Support t---~-5 Cord r/·27 S\\ilcb -- -~-J ·31 Cord ~ J -32 S\\llch -K-5 Rt•ver~e Snlenoo d Assemblr K- 6 61 Connector -----------------K-7 Connector Cap -------------=-~ K-3:1 Reverse Solt• nnid ----------Z-6 Nt•cdle 107415-0-141 100265-0-34 Z-11 Bobbin Case Shctl 140:156-0-0 I I ---1147895-0-11 1 ------ z ·20 Hell Co\Cr Asscmbl) l47H95 -0 -ll ---------Z-21 Needle Plate 100267 0-01 -- r z -22 Screw 106120-0-03 -z -24 Colton Stand As.,embly ISO 150-0-0 l -1~ -1 1 ~ 150150-0 -01 150150-0-01 --·-:: z -25 Mu\ablc Knife ------- -15 - From the library of: Superior Sewing Machine & Supply LLC
-5 ~' :. lld. -. No. . I I I I I I I Na 1 France France Spain S pain A · 2 Oil Cap 112782 -0 -01 A · 4 Face Plate 111455 ·0 ·01 A · fi Screw 1089fi0 -0 -02 A · 7 Face Plate Thread Guide lll•l7fi :O·OI ----A· 8 Oil Stopper Plate Assembly 11!164 J .o .OJ A ·20 Preten sion Assembly 1445 02 ·0 ·01 A -2 1 !lear Cove r Jlll67:J.o .ol A